Question

prove that
cosecA +cot A=1+coaA /1-cos A​

Answer 1

Step-by-step explanation:

Proof : R. H. S

(cosecA-cotA)^2

=1/sinA-cosA/sinA) ^2

(1-cosA/sinA) ^2 (L.C.M)

=(1-cosA)^2/sin^2A

=1-cosA)(1-cosA/1-cos^2A

=1-cosA/1+cosA

=L. H. S

Hence proved